Package org.docx4j.org.apache.poi.poifs.nio

Class FileBackedDataSource

java.lang.Object
org.docx4j.org.apache.poi.poifs.nio.DataSource
org.docx4j.org.apache.poi.poifs.nio.FileBackedDataSource
public class FileBackedDataSource
extends DataSource
A POIFS DataSource backed by a File

  • Constructor Summary

    Constructors 
    Constructor Description
    FileBackedDataSource​(java.io.File file)  
    FileBackedDataSource​(java.io.File file, boolean readOnly)  
    FileBackedDataSource​(java.io.RandomAccessFile srcFile, boolean readOnly)  
    FileBackedDataSource​(java.nio.channels.FileChannel channel, boolean readOnly)  

  • Method Summary

    Modifier and Type Method Description
    void close()
    Close the underlying stream
    void copyTo​(java.io.OutputStream stream)
    Copies the contents to the specified OutputStream
    java.nio.channels.FileChannel getChannel()  
    boolean isWriteable()  
    java.nio.ByteBuffer read​(int length, long position)  
    long size()  
    void write​(java.nio.ByteBuffer src, long position)  

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • FileBackedDataSource

      public FileBackedDataSource​(java.io.File file) throws java.io.FileNotFoundException
      Throws:
      java.io.FileNotFoundException

    • FileBackedDataSource

      public FileBackedDataSource​(java.io.File file, boolean readOnly) throws java.io.FileNotFoundException
      Throws:
      java.io.FileNotFoundException

    • FileBackedDataSource

      public FileBackedDataSource​(java.io.RandomAccessFile srcFile, boolean readOnly)

    • FileBackedDataSource

      public FileBackedDataSource​(java.nio.channels.FileChannel channel, boolean readOnly)

  • Method Details

    • isWriteable

      public boolean isWriteable()

    • getChannel

      public java.nio.channels.FileChannel getChannel()

    • read

      public java.nio.ByteBuffer read​(int length, long position) throws java.io.IOException
      Specified by:
      read in class DataSource
      Throws:
      java.io.IOException

    • write

      public void write​(java.nio.ByteBuffer src, long position) throws java.io.IOException
      Specified by:
      write in class DataSource
      Throws:
      java.io.IOException

    • copyTo

      public void copyTo​(java.io.OutputStream stream) throws java.io.IOException
      Description copied from class: DataSource
      Copies the contents to the specified OutputStream
      Specified by:
      copyTo in class DataSource
      Throws:
      java.io.IOException

    • size

      public long size() throws java.io.IOException
      Specified by:
      size in class DataSource
      Throws:
      java.io.IOException

    • close

      public void close() throws java.io.IOException
      Description copied from class: DataSource
      Close the underlying stream
      Specified by:
      close in class DataSource
      Throws:
      java.io.IOException